Failure to read these instructions andor improper installation of this RT55 T4i Operators Manual Overview 3 Intended Use CMW Intended Use The RT55 T4i is a riding trencher designed to install buried service lines of various sizes using a Download and view instructions VETTA RT55 Cyklocomputer online.

The RT55 and RT88 models have been spec'd for cycling enthusiasts who want a bigger picture of their cycling performance. Both units include all the functions of the RT33 and add readings on Maximum and Average Speed plus a Speed Comparator function.